Question
Sat May 28, 2011 By:

A substance X,which is an oxide of metal is also present in bones and teeth.On treatment with water, it forms a solution which turnsred litmus blue. Identify X and write reaction involved.

Expert Reply
Sat May 28, 2011
X is a calcium carbonate.
CaCO3 +H2O ? Ca(OH)2 +CO2
Home Work Help